Imagine quickly diagnosing why your car's check engine light is on. A scan tool, also known as a trouble code reader, can help you identify the problem yourself.

Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Car codes can be confusing, so here are the best OBD2 scanners for reading, analyzing and clearing diagnostic trouble codes on your own.

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits.

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A must-have in your emergency kit, these car diagnostic tools and auto scanners can quickly identify where your car troubles lie.

In the past, automotive diagnostic scanners were rather expensive. But today you can get a wireless interface for $10 online and use a multitude of apps to read codes, log, and monitor data in a ...

Most code readers should also be able to clear codes, meaning you can erase whatever trouble code the car has logged to trigger the warning light in question.

Looking for the best Scanner Codes? Check out our comprehensive guide with the 10 best options available.

Code readers, or car scanners, are a great tool for those looking to get information from their vehicles quickly and conveniently.

Which brings up the question, just because you can buy a cheap code reader and scan your own car, should you? The answer is both yes and no.